DIN EN 60839-11-1:2012
報警系統.第11-1部分:電子訪問控制系統.系統和組件要求(IEC 79/358A/CDV-2012).德文版本FprEN 60839-11-1-2012
Alarm systems - Part 11-1: Electronic access control systems - System and components requirements (IEC 79/358A/CDV:2012); German version FprEN 60839-11-1:2012